Intramedullary brush



FIG. 1 is a side elevational view partially broken away of an intramedullary brush showing my new design;

FIG. 2 is an enlarged left end elevational view thereof; and

FIG. 3 is an enlarged right end elevational view thereof.

The brush is intended to uniformly continue throughout the broken line area. 

The ornamental design for a intramedullary brush, as shown and described. 